Indian Journal of Pathology and Microbiology
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ORIGINAL ARTICLE
Year : 2016  |  Volume : 59  |  Issue : 3  |  Page : 284-286

Apoptosis in oral epithelial dysplastic lesions and oral squamous cell carcinoma: A prognostic marker


Department of Oral Pathology and Microbiology, SDM College of Dental Sciences and Hospital, Dharwad, Karnataka, India

Correspondence Address:
Dr. Shwetha Nambiar
Department of Oral Pathology and Microbiology, SDM College of Dental Sciences and Hospital, Dharwad - 580 009, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0377-4929.188126

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Background: Apoptotic index (AI) using light microscopy as an indirect measure to assess the significance of apoptosis as a proliferative marker in dysplastic lesions and malignant epithelial lesions of the oral cavity. Aims: (1) To quantify the apoptotic bodies/cells in oral epithelial dysplastic (OED) lesions and oral squamous cell carcinoma (OSCC). (2) To measure AI in OED and OSCC. (3) To compare AI in OED and OSCC. Settings and Design: The proposed laboratory-based retrospective study involved the use of hematoxylin and eosin (H and E)-stained slides of previously diagnosed OED lesions and OSCC from institutional archives. Materials and Methods: This study constituted 50 cases, each of H and E-stained slides of previously diagnosed cases of OED and OSCC. AI was calculated as the number of apoptotic bodies/cells expressed as a percentage of the total number of nonapoptotic tumor/dysplastic cells counted in each case. Statistical Analysis Used: Nonparametric tests such as Kruskal–Wallis test and Mann–Whitney test were used. Results: There was a statistically significant increase in AI from OED to OSCC (P = 0.000). Conclusions: Further studies need to be undertaken to detect and understand the apoptotic mechanisms in the progression from OED to OSCC.


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